US Bridges

Diamond a Road over Jarbidge River

Good

Elko County, Nevada · North of Jarbidge · Structure no. B1650

Built
2008
17 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
17
2017 count
Owner
County
County Highway Agency

About this bridge

Diamond a Road over Jarbidge River is a prestressed concrete box beam or girders - multiple carrying Diamond a Road over Jarbidge River in Elko County, Nevada. It was built in 2008, so it is 17 years old, younger than the Nevada average of 36.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17 vehicles a day, roughly 1% of them trucks, projected to reach 19 by 2040. The structure is 50 ft (15.1 m) long and 16 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesDiamond a Road
CrossesJarbidge River
LocationNorth of Jarbidge
RouteFederal Lands Road 71
StateNevada
Coordinates41.93481, -115.41967
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.1 m)
Longest span50 ft (15.1 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2017)
Projected traffic19 by 2040
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Diamond a Road over Jarbidge River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Diamond a Road over Jarbidge River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Diamond a Road over Jarbidge River carry?

About 17 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Diamond a Road over Jarbidge River?

The structure is 50 ft (15.1 m) long with a longest span of 50 ft (15.1 m) and a deck 16 ft wide.

Who owns Diamond a Road over Jarbidge River?

It is owned by the County Highway Agency.